{"source":"kalshi","id":"KXINXHUD-26AUG111200","ticker":"KXINXHUD-26AUG111200","slug":"KXINXHUD-26AUG111200","title":"S&P 500 Hourly Up/Down","description":null,"image":null,"icon":null,"active":false,"closed":true,"start_date":"2026-08-11T15:00:00Z","end_date":"2026-08-11T19:00:00Z","closed_time":"2026-08-11T16:00:00Z","volume":2573.51,"volume_24hr":2573.51,"volume_24h_change":null,"normalized_vol_24hr":23.95816421508789,"normalized_volume":16.97801971435547,"liquidity":null,"open_interest":2540.24,"categories":["Finance"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Above $7760.28","top_outcome_probability":0.01,"top_outcome_prob_24h_change":-0.26,"top_outcome_volume_24h_change":2573.51,"updated_at":"2026-08-11T16:03:26.720375Z","fetched_at":"2026-08-11T16:03:26.720375Z","added_at":"2026-08-11T15:08:31.143061Z","url":"https://kalshi.com/markets/kxinxhud/sp-500-hourly-updown/kxinxhud-26aug111200","chart_24h":[0.0,2573.51],"markets":[{"source":"kalshi","id":"KXINXHUD-26AUG111200-T7760.28","event_id":"KXINXHUD-26AUG111200","slug":"KXINXHUD-26AUG111200-T7760.28","question":"Will the S&P 500 be above $7760.28 at Aug 11, 2026 at 12pm EDT?","group_item_title":"Above $7760.28","description":"If the value of S&P 500 is above $7760.28 at 12:00 PM ET on August 11, 2026, then the market resolves to Yes.\n\n---\n\nThis is an Up/Down market on || Index ||: it resolves Yes if || Index || finishes higher than its reference level, and No if it finishes flat or lower. The reference level (|| Value ||) is the value of || Index || at the start of the hour. If no data is available for the period by expiration, the market resolves No.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.01,0.99],"probability":0.01,"spread":1.0,"active":false,"closed":true,"start_date":"2026-08-11T15:00:00Z","end_date":"2026-08-11T19:00:00Z","closed_time":"2026-08-11T16:00:00Z","volume":2573.51,"volume_24hr":2573.51,"prob_24h_change":-0.26,"volume_24h_change":2573.51,"normalized_vol_24hr":25.825424194335938,"normalized_volume":19.199787139892578,"liquidity":null,"categories":["Finance"],"countries":[],"updated_at":"2026-08-11T16:05:00.210654Z","fetched_at":"2026-08-11T16:03:26.786469Z","added_at":"2026-08-11T15:08:32.522998Z","url":"https://kalshi.com/markets/kxinxhud/sp-500-hourly-updown/kxinxhud-26aug111200","event_title":"S&P 500 Hourly Up/Down","chart_24h":[0.27,0.01]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXINXHUD-26AUG111200","as_of":"2026-08-11T18:59:45.799238Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"S&P 500 Hourly Up/Down\" — top market at 1% probability across 1 outcome","source_url":null}}